21448644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 39837756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 89, 114, 133, 151, 178, 228, 266, 267, 302, 356, 399, 453, 532, 534, 604, 623, 798, 906, 1057, 1068, 1246, 1596, 1691, 1812, 1869, 2114, 2492, 2869, 3171, 3382, 3738, 4228, 5073, 5738, 6342, 6764, 7476, 8607, 10146, 11476, 11837, 12684, 13439, 17214, 20083, 20292, 23674, 26878, 34428, 35511, 40166, 40317, 47348, 53756, 60249, 71022, 80332, 80634, 94073, 120498, 142044, 161268, 188146, 240996, 255341, 282219, 376292, 510682, 564438, 766023, 1021364, 1128876, 1532046, 1787387, 3064092, 3574774, 5362161, 7149548, 10724322, 21448644]

約数ペア:

[(1, 21448644), (2, 10724322), (3, 7149548), (4, 5362161), (6, 3574774), (7, 3064092), (12, 1787387), (14, 1532046), (19, 1128876), (21, 1021364), (28, 766023), (38, 564438), (42, 510682), (57, 376292), (76, 282219), (84, 255341), (89, 240996), (114, 188146), (133, 161268), (151, 142044), (178, 120498), (228, 94073), (266, 80634), (267, 80332), (302, 71022), (356, 60249), (399, 53756), (453, 47348), (532, 40317), (534, 40166), (604, 35511), (623, 34428), (798, 26878), (906, 23674), (1057, 20292), (1068, 20083), (1246, 17214), (1596, 13439), (1691, 12684), (1812, 11837), (1869, 11476), (2114, 10146), (2492, 8607), (2869, 7476), (3171, 6764), (3382, 6342), (3738, 5738), (4228, 5073)]